<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- card区域 -->
    <el-card>
      <!--2. 为 ECharts 准备一个具备大小（宽高）的 DOM -->
      <div id="main" style="width: 600px;height:400px;"></div>
    </el-card>
  </div>
</template>
<script>
// 1.导入echarts
import echarts from "echarts";
import _ from "lodash";

export default {
  data() {
    return {
      // 4.1要合并的数据
      option: {
        title: {
          text: "ECharts 入门示例",
        },
        tooltip: {},
        legend: {
          data: ["销量"],
        },
        xAxis: {
          data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
        },
        yAxis: {},
        series: [
          {
            name: "销量",
            type: "bar",
            data: [5, 20, 36, 10, 10, 20],
          },
        ],
      },
    };
  },
  async mounted() {
    //3.初始化
    var myChart = echarts.init(document.getElementById("main"));
    // 4.2发起网络请求 获取数据
    const { data: res } = await this.$http.get("reports/type/1");
    console.log("1");
    console.log(res.data);
    console.log("2");
    console.log(this.option);

    // 4.3 对数据进行合并
    const result = _.merge(res.data, this.option);
    console.log("3");
    console.log(result);
    //5.使用刚指定的配置项和数据显示图表
    myChart.setOption(result);
  },
};
</script>
<style lang="less" scoped>
</style>